(19)

(11)

EP 2 601 768 A1

(12)

(43) Date of publication: 12.06.2013 Bulletin 2013/24 (21) Application number: 11751699.7 (22) Date of filing: 04.08.2011

(51) International Patent Classification (IPC):  H04L 27/26(2006.01) (86) International application number: PCT/US2011/046654 (87) International publication number: WO 2012/019050 (09.02.2012 Gazette 2012/06)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 03.08.2011 US 201113197600 05.10.2010 US 390101 P 04.08.2010 US 370715 P (71) Applicant: Qualcomm Incorporated San Diego, CA 92121 (US)

(72) Inventors: SAMPATH, Hemanth San Diego California 92121 (US) JONES, IV, Vincent Knowles San Diego California 92121 (US) VAN ZELST, Albert San Diego California 92121 (US) WENTINK, Maarten Menzo San Diego California 92121 (US) ABRAHAM, Santosh Paul San Diego California 92121 (US) MERLIN, Simone San Diego California 92121 (US) (74) Representative: Dunlop, Hugh Christopher et al R.G.C. Jenkins & Co. 26 Caxton Street London SW1H 0RJ London SW1H 0RJ (GB)